Vulnerability Details CVE-2018-14598
An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 73.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2018-14598
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cpe:2.3:a:x.org:libx11:1.0.1
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cpe:2.3:a:x.org:libx11:1.0.2
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cpe:2.3:a:x.org:libx11:1.0.3
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cpe:2.3:a:x.org:libx11:1.0.99.1
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cpe:2.3:a:x.org:libx11:1.0.99.2
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cpe:2.3:a:x.org:libx11:1.1
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cpe:2.3:a:x.org:libx11:1.1.1
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cpe:2.3:a:x.org:libx11:1.1.2
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cpe:2.3:a:x.org:libx11:1.1.3
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cpe:2.3:a:x.org:libx11:1.1.4
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cpe:2.3:a:x.org:libx11:1.1.5
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cpe:2.3:a:x.org:libx11:1.1.6
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cpe:2.3:a:x.org:libx11:1.1.99.1
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cpe:2.3:a:x.org:libx11:1.1.99.2
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cpe:2.3:a:x.org:libx11:1.2
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cpe:2.3:a:x.org:libx11:1.2.1
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cpe:2.3:a:x.org:libx11:1.2.2
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cpe:2.3:a:x.org:libx11:1.2.99.901
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cpe:2.3:a:x.org:libx11:1.3
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cpe:2.3:a:x.org:libx11:1.3.1
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cpe:2.3:a:x.org:libx11:1.3.2
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cpe:2.3:a:x.org:libx11:1.3.3
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cpe:2.3:a:x.org:libx11:1.3.4
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cpe:2.3:a:x.org:libx11:1.3.5
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cpe:2.3:a:x.org:libx11:1.3.6
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cpe:2.3:a:x.org:libx11:1.3.99.901
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cpe:2.3:a:x.org:libx11:1.3.99.902
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cpe:2.3:a:x.org:libx11:1.3.99.903
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cpe:2.3:a:x.org:libx11:1.4.0
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cpe:2.3:a:x.org:libx11:1.4.1
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cpe:2.3:a:x.org:libx11:1.4.2
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cpe:2.3:a:x.org:libx11:1.4.3
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cpe:2.3:a:x.org:libx11:1.4.4
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cpe:2.3:a:x.org:libx11:1.4.99.1
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cpe:2.3:a:x.org:libx11:1.4.99.901
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cpe:2.3:a:x.org:libx11:1.4.99.902
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cpe:2.3:a:x.org:libx11:1.5.0
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cpe:2.3:a:x.org:libx11:1.5.99.901
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cpe:2.3:a:x.org:libx11:1.5.99.902
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cpe:2.3:a:x.org:libx11:1.6.0
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cpe:2.3:a:x.org:libx11:1.6.1
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cpe:2.3:a:x.org:libx11:1.6.2
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cpe:2.3:a:x.org:libx11:1.6.3
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cpe:2.3:a:x.org:libx11:1.6.4
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cpe:2.3:a:x.org:libx11:1.6.5
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cpe:2.3:o:canonical:ubuntu_linux:12.04
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cpe:2.3:o:canonical:ubuntu_linux:14.04
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cpe:2.3:o:canonical:ubuntu_linux:16.04
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cpe:2.3:o:canonical:ubuntu_linux:18.04
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cpe:2.3:o:debian:debian_linux:8.0
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cpe:2.3:o:fedoraproject:fedora:28